[PATCH 5/5] ARM: KVM: issue a DSB after cache maintainance operations

[Marc Zyngier]

When performing the Set/Way cache maintainance operations, it is
important to make sure the operation completes by issueing a DSB.

Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
 arch/arm/kvm/coproc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
index 4a51990..9e6bef4 100644
--- a/arch/arm/kvm/coproc.c
+++ b/arch/arm/kvm/coproc.c
@@ -106,6 +106,8 @@ static bool access_dcsw(struct kvm_vcpu *vcpu,
 		break;
 	}
 
+	dsb();
+
 done:
 	put_cpu();
 
-- 
1.8.2.3